So they remastered the video, but also rerecorded some of the music with an orchestra, and they also redid the textures on the 3d models (e.g., Manny's face), a

So they remastered the video, but also rerecorded some of the music with an orchestra, and they also redid the textures on the 3d models (e.g., Manny's face), and added mouse support (based on the fan mod).